| Subassembly index | Subassembly | Targeted parts |
| 1 | (27, 17) | Lubricating ring 4 and bear 9 | 2 | (26, 15, 20, 18) | Blank cap 2, bear 10, spline, and bear 12 | 3 | (19, 36, 24) | Inner splined sleeve, bear 8, and eccentric sleeve 4 | 4 | (38, 45, 44, 31) | Bear 7, bear 11, eccentric sleeve 5, and bear 6 | 5 | (23, 29, 4, 22) | Gear 7, sleeve 3, lubricating ring 1, and gear 6 | 6 | (30, 21, 14) | Gear 2, gear 3, and gear 5 | 7 | (25, 13) | Gear 4 and end cap 4 | 8 | (28, 16) | Output shaft 2 and intermediate shaft | 9 | (7, 3, 47, 40) | Gear 1, bear 4, bear 2, and bear 5 | 10 | (46, 2, 39, 41) | Eccentric sleeve 1, sleeve 3, bear 1, and lubricating ring 3 | 11 | (9, 42, 32, 11) | Bear 3, lubricating ring 2, lock 1, and middle box | 12 | (8, 33, 43) | Eccentric sleeve 2, lock 3, and input shaft | 13 | (34, 6, 10) | Lock 2, sleeve 1, and sleeve 2 | 14 | (49, 37, 5) | Upper box, end cap 3, and output shaft 1 | 15 | (35, 1, 48, 12) | End cap 1, oil collecting hood, blank cap 1, and end cap 2 |
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